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Artistic view of a Male Pteronarcys californica (Pteronarcyidae) (Giant Salmonfly) Stonefly Adult from the Gallatin River in Montana
Salmonflies
Pteronarcys californica

The giant Salmonflies of the Western mountains are legendary for their proclivity to elicit consistent dry-fly action and ferocious strikes.

Dorsal view of a Setvena wahkeena (Perlodidae) (Wahkeena Springfly) Stonefly Nymph from Mystery Creek #199 in Washington
As far as I can tell, this species has only previously been reported from one site in Oregon along the Columbia gorge. However, the key characteristics are fairly unmistakable in all except for one minor detail:
— 4 small yellow spots on frons visible in photos
— Narrow occipital spinule row curves forward (but doesn’t quite meet on stem of ecdysial suture, as it's supposed to in this species)
— Short spinules on anterior margin of front legs
— Short rposterior row of blunt spinules on abdominal tergae, rather than elongated spinules dorsally
I caught several of these mature nymphs in the fishless, tiny headwaters of a creek high in the Wenatchee Mountains.
27" brown trout, my largest ever. It was the sub-dominant fish in its pool. After this, I hooked the bigger one, but I couldn't land it.
Troutnut is a project started in 2003 by salmonid ecologist Jason "Troutnut" Neuswanger to help anglers and fly tyers unabashedly embrace the entomological side of the sport. Learn more about Troutnut or support the project for an enhanced experience here.

Gutcutter
Gutcutter's profile picture
Pennsylvania

Posts: 470
Gutcutter on May 26, 2010May 26th, 2010, 2:21 pm EDT
well
for all of you global warming skeptics out there, check out the unseasonable weather in the northwest.
anybody heading out there this summer will really have to check the flows beforehand...
All men who fish may in turn be divided into two parts: those who fish for trout and those who don't. Trout fishermen are a race apart: they are a dedicated crew- indolent, improvident, and quietly mad.

-Robert Traver, Trout Madness
Shawnny3
Moderator
Pleasant Gap, PA

Posts: 1197
Shawnny3 on May 27, 2010May 27th, 2010, 1:04 pm EDT
Wouldn't that more appropriately be called Montana and Washington localized warming, perhaps even Montana and Washington localized and seasonal warming? I mean, global means global. Just saying...

We've had a lot of global cooling going on in Central Pennsylvania this past year. We'll see if it's enough to persuade all the climatologists at Penn State to recant.

-Shawn
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
www.davisflydesigns.com
Taxon
Taxon's profile picture
Site Editor
Plano, TX

Posts: 1311
Taxon on May 27, 2010May 27th, 2010, 1:53 pm EDT
Shawn,

Apart from whether it should have been characterized as local, regional, or global, I believe Tony's observation was tongue-in-cheek, as we (in WA, at least) have been suffering through an unseasonably "cold" spell of late.

Of course, global warming may also be somewhat of a misnomer, as even though the average temperature of the planet may increase, that doesn't necessarily mean the average temperature of every location on the planet will increase.

I might have been tempted in the past to say this was just my two cents worth, but given the rate on inflation, it may be actually worth as much as a nickel by now. Or not.
Best regards,
Roger Rohrbeck
www.FlyfishingEntomology.com
Shawnny3
Moderator
Pleasant Gap, PA

Posts: 1197
Shawnny3 on May 27, 2010May 27th, 2010, 3:25 pm EDT
Ah, I didn't catch the irony in his statement. I grow tired of people looking at today's weather for their particular locale and saying either, "See, it's warming!" or "See, it's not warming!"

My apologies, Gutcutter.

-Shawn
Jewelry-Quality Artistic Salmon Flies, by Shawn Davis
www.davisflydesigns.com

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